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you loose your flat field
Would not recomend unless you expect to crop your image
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SKU : OS-FRRC-75
Product Details
Fully multi-coated optics, the Third Planet Optics 2" focal reducer will reduce your focal length by 0.75x shortening exposure times while still retaining a crisp image with excellent color and contrast. Extra long focal length to be perfectly compatible with the TPO RC telescopes, off-axis guiders, and filter wheels and is best for CCD sensors with up to a 15mm diagonal. Two element design effectively reduces focal ratios of the Third Planet Optics Ritchie Chretien from f/9 to f/6.75 and from f/8 to f/6.
specifications
Back Focus | 80mm |
Camera Side Connection | Male M48x0.75 |
Scope Side Connection | 2" Nosepiece (housing) |
Scope Side Connection | Female M48x0.75 |
Warranty | 2 Year Warranty |
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Would not recomend unless you expect to crop your image
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